v tech vs scom

has anybody did any back to back testing?
i am gonna buy the vtech and i already have the riva 1 kit . goona do 3 gps runs with scom then unplug it and reflash my ecu with stage 1 tune and run 3 more tests . think there will be any mph diff or just acceleration?

I'm sorry but this is a waste of time - you are comparing apples to oranges. The SCOM only removes the GPS speed limit, and the 8040 rpm limit, boost limit, etc. are still in-place! Everyone that has installed the SCOM hits the 8040 rpm limit issue very quickly, even with expertly pitched impellers. The V-Tech re-flash will remove all of these limits and raise the rpm limit to your order as well use a better fuel map.

It is real hard to predict changes with out knowing what year, ski, and mods.